USN-6364-1: Ghostscript vulnerabilities

Publication date

13 September 2023

Overview

Several security issues were fixed in Ghostscript.


Packages

Details

It was discovered that Ghostscript incorrectly handled certain PDF files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-21710)

It was discovered that Ghostscript incorrectly handled certain PDF files.
An attacker could possibly use this issue to cause a denial of service,
or possibly execute arbitrary code. (CVE-2020-21890)

It was discovered that Ghostscript incorrectly handled certain PDF files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-21710)

It was discovered that Ghostscript incorrectly handled certain PDF files.
An attacker could possibly use this issue to cause a denial of service,
or possibly execute arbitrary code. (CVE-2020-21890)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal ghostscript –  9.50~dfsg-5ubuntu4.10
libgs9 –  9.50~dfsg-5ubuntu4.10
18.04 bionic ghostscript –  9.26~dfsg+0-0ubuntu0.18.04.18+esm2  
libgs9 –  9.26~dfsg+0-0ubuntu0.18.04.18+esm2  
16.04 xenial ghostscript –  9.26~dfsg+0-0ubuntu0.16.04.14+esm7  
libgs9 –  9.26~dfsg+0-0ubuntu0.16.04.14+esm7  

Reduce your security exposure

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